Ground state properties of the screened helium atom under harmonic confinement

C Martínez-Flores, A Jahanshir - Chemical Physics, 2024 - Elsevier
In this contribution, we show electronic property results for the ground state of the helium
atom screened by a Debye plasma under an isotropic harmonic confinement as a function of …

Energy spectra of the spiked harmonic oscillator using the shifted 1/N expansion

MA Dalabeeh, AS Sandouqa - The European Physical Journal Plus, 2022 - Springer
In this work, the three-dimensional quantum spiked harmonic oscillator Hamiltonian family is
investigated using the shifted 1/N expansion method, where N is the number of spatial …

Theoretical analysis of relativistic energy corrections, partition function and thermodynamic properties of spherically confined hydrogen atom

R Joshi, A Goyal, P Kumar, M Mohan - The European Physical Journal D, 2022 - Springer
The relativistic energy corrections for the spherically confined hydrogen with penetrable wall
are calculated for various orbitals as a function of pressure and confinement radius. The …

Harmonically Trapped Two-Electron Quantum Dot: Structural and Quantum Information Theoretic Measures

S Mondal, JK Saha, AK Roy - International Conference on Recent …, 2024 - Springer
An explicitly correlated Hylleraas-type basis set within the Ritz variational framework is
utilized to study structural properties and quantum information theoretic measures of a …

Quantum Information Theoretic Measures of a Harmonically Trapped Two-Electron Quantum Dot

S Mondal, JK Saha, AK Roy - Available at SSRN 4939093 - papers.ssrn.com
Correlation energy is crucial for understanding the overall behavior of atomic systems,
especially under confining conditions where they exhibit several novel physical phenomena …